Update angularmaterial monorepo to v20

Author: renovate[bot]

frontend/package.json

@@ -28,12 +28,12 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "^19.0.3",
-    "@angular/cdk": "^19.0.2",
+    "@angular/cdk": "^20.0.0",
     "@angular/common": "^19.0.3",
     "@angular/compiler": "^19.0.3",
     "@angular/core": "^19.0.3",
     "@angular/forms": "^19.0.3",
-    "@angular/material": "^19.0.2",
+    "@angular/material": "^20.0.0",
     "@angular/platform-browser": "^19.0.3",
     "@angular/platform-browser-dynamic": "^19.0.3",
     "@angular/router": "^19.0.3",